Ban anything that flickers or flashes on hover

I don't like that. UI shouldn't jump in user's face like all these hover
actions, bright backgrounds and random layout-shifting buttons out of
nowhere.

src/qml/Component/Timeline/RichLabel.qml

@@ -103,7 +103,7 @@ a{
         RoomManager.openResource(link)
     }
     onHoveredLinkChanged: if (hoveredLink.length > 0 && hoveredLink !== "1") {
-        applicationWindow().hoverLinkIndicator.text = hoveredLink;
+        // applicationWindow().hoverLinkIndicator.text = hoveredLink;
     } else {
         applicationWindow().hoverLinkIndicator.text = "";
     }